Year: 1970 Description: Heater hose firewall grommet set Application: Mustang Engine & ID Number: All Quantity: 1 set (2) Jack’s Comments: Ford changed the way the heater hoses were protected against the firewall opening in 1970.In 1969 they flared the hole towards the engine to soften the edges and used dark gray chalking to make the seal waterproof.In 1970 they simply used this rubber grommet.This improvement is just one of hundreds made to the 1970 Mustangs. Related Pictures: Take a look at the second picture to see what these grommets looked like installed on a un-restored Mustang Shipping US: FedEx Ground or US Mail Shipping NON-US: Call or email for an exact shipping quote